Found this on DPX rounds...it mentions the .380 which is close to .32, so we will call it On Topic
http://www.thehighroad.org/showthread.php?t=203800Many commented last time that they wondered what effect a heavy, leather jacket would have on pistol-bullet performance and penetration. So, this t ime we required each bullet to penetrate a leather jacket AND four layers of de nim before entering the gelatin. Each student subjected his own, carry ammunition to the test. Here is what we found:
The combination of leather and denim frustrated most conventional, hollow-points. Most traversed the gelatin with badly-compromised expansion . Some did not expand at all. Even Cor-Bon's vaunted PowerBall (45ACP, out of my Detonics) did not do well in this test. I was surprised, as few rounds wil l out-expand PowerBall, but the layers of clothing, combined with the Detonic s' short barrel, conspired to thwart performance.
The one round that expanded consistently and completely, despite the leathe r and denim barrier, in all calibers, was Cor-Bon's DPX! DPX, in 40S &W, 45ACP, 357SIG, 38Super, and 45AutoRim, were all unimpressed by the leather and denim. Even 380Auto DPX, out of my little Kel-Tec, was immune. It expande d symmetrically and completely, penetrating nine inches of gelatin, after penetrating the clothing.
I am more persuaded than ever that DPX provides superior performance in the widest spectrum of circumstances, consistently outperforming any other bullet of which I am aware.
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